gcc/ada/
	* gcc-interface/utils.c (handle_sentinel_attribute): Don't use
	TYPE_ARG_TYPES
	(handle_type_generic_attribute): Likewise.

gcc/c-family/
	* c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
	(handle_type_generic_attribute): Likewise.

gcc/lto/
	* lto-lang.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
	(handle_type_generic_attribute): Likewise.

From-SVN: r172200